I put serious thought into this option prior to purchasing my frs a few months ago. Original plan was to build factory five 818. but after spending over 100 hours reading through build threads, it seemed they relied too much on the end user to develop the kit on their own. Lots of corners cut to keep costs low, etc. In college I was part of FSAE and built a car from the ground up, so I figured why not again. I went forward designing a tube frame car from the ground up to utilize a corvette c5 or c6 drivetrain. I picked up some c5 uprights. I got as far as desigining all the suspension pickup points, designing a chassis around it, etc. Then I realized I really wanted a performance car to drive now and not in two years. There is a good chance I will revisit this plan in the near future, but I figured it would be better suited to a home that I own versus the one I rent currently. So I think a house is on the list before building my track monster. Here are some shots of one of my chassis iterations.